| // Copyright 2017 the V8 project authors. All rights reserved. | |
| // Use of this source code is governed by a BSD-style license that can be | |
| // found in the LICENSE file. | |
| // Flags: --allow-natives-syntax | |
| function C() {} | |
| %CompleteInobjectSlackTracking(new C()); | |
| function f() { | |
| // Create a non-escaping object. | |
| var o = new C(); | |
| // Add an out-of-object double property. | |
| o.x = 0.5; | |
| %DeoptimizeNow(); | |
| return o.x + 0.25; | |
| } | |
| f(); | |
| f(); | |
| %OptimizeFunctionOnNextCall(f); | |
| assertEquals(0.75, f()); |